Michael Kleinberg reports a stock award at NANO

By AlphaYouPublished Oct 27, 2026Form 4

Stocks in this disclosure

Reported activity

Kleinberg Michael A.

Reporting filer

Michael Kleinberg reports a stock award, not an open-market purchase or sale, in Forge Nano Holdings, Inc.. Form 4 filed Oct 27, 2026 lists 10 entries.

Disclosed: Oct 27, 2026

Reported details

10 entries

All validated entries in this disclosure
Security	Owner	Date	Code	Action	Quantity	Price	Following holdings	Reporting delay	Filed terms and references
Common Stock, par value $0.0001 per share	Kleinberg Michael A.	2026-10-22	A	Grant or award	19719	Not stated (see footnotes)	19,719	5 days	Filed terms security Title: Common Stock, par value $0.0001 per share transaction Date: 2026-10-22 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 19719 id: F1 transaction Acquired Disposed Code: A shares Owned Following Transaction: 19719 direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)	Kleinberg Michael A.	2026-10-22	A	Grant or award	370444	Not stated (see footnotes)	370,444	5 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 0.37 transaction Date: 2026-10-22 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 370444 id: F2 transaction Acquired Disposed Code: A exercise Date: 2026-10-22 expiration Date: 2031-02-07 underlying Security Title: Common Stock underlying Security Shares: 370444 shares Owned Following Transaction: 370444 direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)	Kleinberg Michael A.	2026-10-22	A	Grant or award	26358	Not stated (see footnotes)	26,358	5 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 0.56 transaction Date: 2026-10-22 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 26358 id: F2 transaction Acquired Disposed Code: A exercise Date: 2026-10-22 expiration Date: 2032-04-11 underlying Security Title: Common Stock underlying Security Shares: 26358 shares Owned Following Transaction: 26358 direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)	Kleinberg Michael A.	2026-10-22	A	Grant or award	25076	Not stated (see footnotes)	25,076	5 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 1.03 transaction Date: 2026-10-22 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 25076 id: F2 transaction Acquired Disposed Code: A id: F3 expiration Date: 2034-03-31 underlying Security Title: Common Stock underlying Security Shares: 25076 shares Owned Following Transaction: 25076 direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)	Kleinberg Michael A.	2026-10-22	A	Grant or award	441597	Not stated (see footnotes)	441,597	5 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 1.33 transaction Date: 2026-10-22 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 441597 id: F2 transaction Acquired Disposed Code: A id: F4 expiration Date: 2034-12-11 underlying Security Title: Common Stock underlying Security Shares: 441597 shares Owned Following Transaction: 441597 direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)	Kleinberg Michael A.	2026-10-22	A	Grant or award	17382	Not stated (see footnotes)	17,382	5 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 2.94 transaction Date: 2026-10-22 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 17382 id: F2 transaction Acquired Disposed Code: A id: F5 expiration Date: 2035-10-23 underlying Security Title: Common Stock underlying Security Shares: 17382 shares Owned Following Transaction: 17382 direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)	Kleinberg Michael A.	2026-10-22	A	Grant or award	34194	Not stated (see footnotes)	34,194	5 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 2.94 transaction Date: 2026-10-22 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 34194 id: F2 transaction Acquired Disposed Code: A id: F6 expiration Date: 2036-03-29 underlying Security Title: Common Stock underlying Security Shares: 34194 shares Owned Following Transaction: 34194 direct Or Indirect Ownership: D
Earnout-shares (derivative)	Kleinberg Michael A.	2026-10-22	A	Grant or award	14790	Not stated (see footnotes)	14,790	5 days	Filed terms security Title: Earnout-shares id: F7 transaction Date: 2026-10-22 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 14790 id: F7 transaction Acquired Disposed Code: A id: F7 expiration Date: 2031-10-22 underlying Security Title: Common Stock underlying Security Shares: 14790 shares Owned Following Transaction: 14790 direct Or Indirect Ownership: D
Performance Stock Units (derivative)	Kleinberg Michael A.	2026-10-22	A	Grant or award	464386	Not stated (see footnotes)	464,386	5 days	Filed terms security Title: Performance Stock Units id: F8 transaction Date: 2026-10-22 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 464386 id: F8 transaction Acquired Disposed Code: A id: F8 expiration Date: 2031-10-22 underlying Security Title: Common Stock underlying Security Shares: 464386 shares Owned Following Transaction: 464386 direct Or Indirect Ownership: D
Performance Stock Units (derivative)	Kleinberg Michael A.	2026-10-22	A	Grant or award	221905	Not stated (see footnotes)	221,905	5 days	Filed terms security Title: Performance Stock Units id: F9 id: F10 transaction Date: 2026-10-22 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 221905 id: F9 id: F10 transaction Acquired Disposed Code: A id: F9 id: F10 expiration Date: 2031-10-22 underlying Security Title: Common Stock underlying Security Shares: 221905 shares Owned Following Transaction: 221905 direct Or Indirect Ownership: D

Common Stock, par value $0.0001 per share

Owner: Kleinberg Michael A.
Date: 2026-10-22
Code: A
Action: Grant or award
Quantity: 19719
Price: Not stated (see footnotes)
Following holdings: 19,719
Reporting delay: 5 days
Filed terms and references: Filed terms
security Title: Common Stock, par value $0.0001 per share
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 19719
id: F1
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 19719
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Owner: Kleinberg Michael A.
Date: 2026-10-22
Code: A
Action: Grant or award
Quantity: 370444
Price: Not stated (see footnotes)
Following holdings: 370,444
Reporting delay: 5 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 0.37
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 370444
id: F2
transaction Acquired Disposed Code: A
exercise Date: 2026-10-22
expiration Date: 2031-02-07
underlying Security Title: Common Stock
underlying Security Shares: 370444
shares Owned Following Transaction: 370444
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Owner: Kleinberg Michael A.
Date: 2026-10-22
Code: A
Action: Grant or award
Quantity: 26358
Price: Not stated (see footnotes)
Following holdings: 26,358
Reporting delay: 5 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 0.56
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 26358
id: F2
transaction Acquired Disposed Code: A
exercise Date: 2026-10-22
expiration Date: 2032-04-11
underlying Security Title: Common Stock
underlying Security Shares: 26358
shares Owned Following Transaction: 26358
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Owner: Kleinberg Michael A.
Date: 2026-10-22
Code: A
Action: Grant or award
Quantity: 25076
Price: Not stated (see footnotes)
Following holdings: 25,076
Reporting delay: 5 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 1.03
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 25076
id: F2
transaction Acquired Disposed Code: A
id: F3
expiration Date: 2034-03-31
underlying Security Title: Common Stock
underlying Security Shares: 25076
shares Owned Following Transaction: 25076
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Owner: Kleinberg Michael A.
Date: 2026-10-22
Code: A
Action: Grant or award
Quantity: 441597
Price: Not stated (see footnotes)
Following holdings: 441,597
Reporting delay: 5 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 1.33
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 441597
id: F2
transaction Acquired Disposed Code: A
id: F4
expiration Date: 2034-12-11
underlying Security Title: Common Stock
underlying Security Shares: 441597
shares Owned Following Transaction: 441597
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Owner: Kleinberg Michael A.
Date: 2026-10-22
Code: A
Action: Grant or award
Quantity: 17382
Price: Not stated (see footnotes)
Following holdings: 17,382
Reporting delay: 5 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 2.94
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 17382
id: F2
transaction Acquired Disposed Code: A
id: F5
expiration Date: 2035-10-23
underlying Security Title: Common Stock
underlying Security Shares: 17382
shares Owned Following Transaction: 17382
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Owner: Kleinberg Michael A.
Date: 2026-10-22
Code: A
Action: Grant or award
Quantity: 34194
Price: Not stated (see footnotes)
Following holdings: 34,194
Reporting delay: 5 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 2.94
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 34194
id: F2
transaction Acquired Disposed Code: A
id: F6
expiration Date: 2036-03-29
underlying Security Title: Common Stock
underlying Security Shares: 34194
shares Owned Following Transaction: 34194
direct Or Indirect Ownership: D

Earnout-shares (derivative)

Owner: Kleinberg Michael A.
Date: 2026-10-22
Code: A
Action: Grant or award
Quantity: 14790
Price: Not stated (see footnotes)
Following holdings: 14,790
Reporting delay: 5 days
Filed terms and references: Filed terms
security Title: Earnout-shares
id: F7
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 14790
id: F7
transaction Acquired Disposed Code: A
id: F7
expiration Date: 2031-10-22
underlying Security Title: Common Stock
underlying Security Shares: 14790
shares Owned Following Transaction: 14790
direct Or Indirect Ownership: D

Performance Stock Units (derivative)

Owner: Kleinberg Michael A.
Date: 2026-10-22
Code: A
Action: Grant or award
Quantity: 464386
Price: Not stated (see footnotes)
Following holdings: 464,386
Reporting delay: 5 days
Filed terms and references: Filed terms
security Title: Performance Stock Units
id: F8
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 464386
id: F8
transaction Acquired Disposed Code: A
id: F8
expiration Date: 2031-10-22
underlying Security Title: Common Stock
underlying Security Shares: 464386
shares Owned Following Transaction: 464386
direct Or Indirect Ownership: D

Performance Stock Units (derivative)

Owner: Kleinberg Michael A.
Date: 2026-10-22
Code: A
Action: Grant or award
Quantity: 221905
Price: Not stated (see footnotes)
Following holdings: 221,905
Reporting delay: 5 days
Filed terms and references: Filed terms
security Title: Performance Stock Units
id: F9
id: F10
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 221905
id: F9
id: F10
transaction Acquired Disposed Code: A
id: F9
id: F10
expiration Date: 2031-10-22
underlying Security Title: Common Stock
underlying Security Shares: 221905
shares Owned Following Transaction: 221905
direct Or Indirect Ownership: D

Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.
Kleinberg Michael A.: Chief Financial Officer.
F1: Received as consideration for shares of common stock of Forge Nano, Inc. ("Forge Nano") in connection with the Issuer's business combination (the "Business Combination") pursuant to the Agreement and Plan of Merger dated April 20, 2026, by and among Archimedes Tech SPAC Partners II Co., the Issuer (f/k/a ATII Holdings Inc.), ATII Merger Sub Inc., ATII Merger Sub II, LLC and Forge Nano (the "Merger Agreement").
F2: Consists of stock options granted under the 2017 Equity Incentive Plan of Forge Nano that are exercisable for shares of the Issuer's common stock following the closing of the Business Combination.
F3: 25% of these stock options vested on April 1, 2025, and the remaining 75% vested and will vest in 36 substantially equal monthly installments thereafter, subject to the Reporting Person's continued service with the Issuer.
F4: 25% of these stock options vested on December 12, 2025, and the remaining 75% vested and will vest in 36 substantially equal monthly installments thereafter, subject to the Reporting Person's continued service with the Issuer.
F5: 25% of these stock options vested on October 1, 2026, and the remaining 75% will vest in 36 substantially equal monthly installments thereafter, subject to the Reporting Person's continued service with the Issuer.
F6: 25% of these stock options will vest on March 31, 2027, and the remaining 75% will vest in 36 substantially equal monthly installments thereafter, subject to the Reporting Person's continued service with the Issuer.
F7: Represents earn-out shares granted in connection with the Business Combination. The earn-out shares will vest as follows: (i) one third will vest if the VWAP of the Common Stock equals or exceeds $15.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $400,000,000, (ii) one third of the earn-out shares will vest if the VWAP of the Common Stock equals or exceeds $20.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $600,000,000 and (iii) one third of the earn-out shares will vest if the VWAP of the Common Stock equals or exceeds $25.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $800,000,000.
F8: Represents performance stock units, each representing a right to receive one share of common stock of the Issuer, granted to holders of Forge Nano stock options in connection with the Business Combination. The performance stock units will vest as follows: (i) one third of the performance stock units will vest if the VWAP of the Common Stock equals or exceeds $15.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $400,000,000, (ii) one third of the performance stock units will vest if the VWAP of the Common Stock equals or exceeds $20.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $600,000,000 and (iii) one third of the performance stock units will vest if the VWAP of the Common Stock equals or exceeds $25.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $800,000,000.
F9: Represents performance stock units, each representing a right to receive one share of common stock of the Issuer, granted to holders of Forge Nano stock options in connection with the Business Combination. The performance stock units will vest as follows, subject to the Reporting Person's continued service with the Issuer through each applicable vesting event: (i) one third of the performance stock units will vest if the VWAP of the Common Stock equals or exceeds $15.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $400,000,000, (ii) one third of the performance stock units will vest if the VWAP of the (Cont'd in FN10)
F10: (Cont'd from FN9) Common Stock equals or exceeds $20.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $600,000,000 and (iii) one third of the performance stock units will vest if the VWAP of the Common Stock equals or exceeds $25.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $800,000,000.

Original sources

SEC ownership filing

Prepared automatically from public filing data. Report a correction.

Security

Owner

Date

Code

Action

Quantity

Price

Following holdings

Reporting delay

Filed terms and references

Common Stock, par value $0.0001 per share

Kleinberg Michael A.

2026-10-22

Grant or award

19719

Not stated (see footnotes)

19,719

5 days

Filed terms

security Title: Common Stock, par value $0.0001 per share
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 19719
id: F1
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 19719
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Kleinberg Michael A.

2026-10-22

Grant or award

370444

Not stated (see footnotes)

370,444

5 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 0.37
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 370444
id: F2
transaction Acquired Disposed Code: A
exercise Date: 2026-10-22
expiration Date: 2031-02-07
underlying Security Title: Common Stock
underlying Security Shares: 370444
shares Owned Following Transaction: 370444
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Kleinberg Michael A.

2026-10-22

Grant or award

26358

Not stated (see footnotes)

26,358

5 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 0.56
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 26358
id: F2
transaction Acquired Disposed Code: A
exercise Date: 2026-10-22
expiration Date: 2032-04-11
underlying Security Title: Common Stock
underlying Security Shares: 26358
shares Owned Following Transaction: 26358
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Kleinberg Michael A.

2026-10-22

Grant or award

25076

Not stated (see footnotes)

25,076

5 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 1.03
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 25076
id: F2
transaction Acquired Disposed Code: A
id: F3
expiration Date: 2034-03-31
underlying Security Title: Common Stock
underlying Security Shares: 25076
shares Owned Following Transaction: 25076
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Kleinberg Michael A.

2026-10-22

Grant or award

441597

Not stated (see footnotes)

441,597

5 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 1.33
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 441597
id: F2
transaction Acquired Disposed Code: A
id: F4
expiration Date: 2034-12-11
underlying Security Title: Common Stock
underlying Security Shares: 441597
shares Owned Following Transaction: 441597
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Kleinberg Michael A.

2026-10-22

Grant or award

17382

Not stated (see footnotes)

17,382

5 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 2.94
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 17382
id: F2
transaction Acquired Disposed Code: A
id: F5
expiration Date: 2035-10-23
underlying Security Title: Common Stock
underlying Security Shares: 17382
shares Owned Following Transaction: 17382
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Kleinberg Michael A.

2026-10-22

Grant or award

34194

Not stated (see footnotes)

34,194

5 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 2.94
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 34194
id: F2
transaction Acquired Disposed Code: A
id: F6
expiration Date: 2036-03-29
underlying Security Title: Common Stock
underlying Security Shares: 34194
shares Owned Following Transaction: 34194
direct Or Indirect Ownership: D

Earnout-shares (derivative)

Kleinberg Michael A.

2026-10-22

Grant or award

14790

Not stated (see footnotes)

14,790

5 days

Filed terms

security Title: Earnout-shares
id: F7
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 14790
id: F7
transaction Acquired Disposed Code: A
id: F7
expiration Date: 2031-10-22
underlying Security Title: Common Stock
underlying Security Shares: 14790
shares Owned Following Transaction: 14790
direct Or Indirect Ownership: D

Performance Stock Units (derivative)

Kleinberg Michael A.

2026-10-22

Grant or award

464386

Not stated (see footnotes)

464,386

5 days

Filed terms

security Title: Performance Stock Units
id: F8
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 464386
id: F8
transaction Acquired Disposed Code: A
id: F8
expiration Date: 2031-10-22
underlying Security Title: Common Stock
underlying Security Shares: 464386
shares Owned Following Transaction: 464386
direct Or Indirect Ownership: D

Performance Stock Units (derivative)

Kleinberg Michael A.

2026-10-22

Grant or award

221905

Not stated (see footnotes)

221,905

5 days

Filed terms

security Title: Performance Stock Units
id: F9
id: F10
transaction Date: 2026-10-22
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 221905
id: F9
id: F10
transaction Acquired Disposed Code: A
id: F9
id: F10
expiration Date: 2031-10-22
underlying Security Title: Common Stock
underlying Security Shares: 221905
shares Owned Following Transaction: 221905
direct Or Indirect Ownership: D

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.

Kleinberg Michael A.: Chief Financial Officer.

F1: Received as consideration for shares of common stock of Forge Nano, Inc. ("Forge Nano") in connection with the Issuer's business combination (the "Business Combination") pursuant to the Agreement and Plan of Merger dated April 20, 2026, by and among Archimedes Tech SPAC Partners II Co., the Issuer (f/k/a ATII Holdings Inc.), ATII Merger Sub Inc., ATII Merger Sub II, LLC and Forge Nano (the "Merger Agreement").

F2: Consists of stock options granted under the 2017 Equity Incentive Plan of Forge Nano that are exercisable for shares of the Issuer's common stock following the closing of the Business Combination.

F3: 25% of these stock options vested on April 1, 2025, and the remaining 75% vested and will vest in 36 substantially equal monthly installments thereafter, subject to the Reporting Person's continued service with the Issuer.

F4: 25% of these stock options vested on December 12, 2025, and the remaining 75% vested and will vest in 36 substantially equal monthly installments thereafter, subject to the Reporting Person's continued service with the Issuer.

F5: 25% of these stock options vested on October 1, 2026, and the remaining 75% will vest in 36 substantially equal monthly installments thereafter, subject to the Reporting Person's continued service with the Issuer.

F6: 25% of these stock options will vest on March 31, 2027, and the remaining 75% will vest in 36 substantially equal monthly installments thereafter, subject to the Reporting Person's continued service with the Issuer.

F7: Represents earn-out shares granted in connection with the Business Combination. The earn-out shares will vest as follows: (i) one third will vest if the VWAP of the Common Stock equals or exceeds $15.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $400,000,000, (ii) one third of the earn-out shares will vest if the VWAP of the Common Stock equals or exceeds $20.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $600,000,000 and (iii) one third of the earn-out shares will vest if the VWAP of the Common Stock equals or exceeds $25.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $800,000,000.

F8: Represents performance stock units, each representing a right to receive one share of common stock of the Issuer, granted to holders of Forge Nano stock options in connection with the Business Combination. The performance stock units will vest as follows: (i) one third of the performance stock units will vest if the VWAP of the Common Stock equals or exceeds $15.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $400,000,000, (ii) one third of the performance stock units will vest if the VWAP of the Common Stock equals or exceeds $20.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $600,000,000 and (iii) one third of the performance stock units will vest if the VWAP of the Common Stock equals or exceeds $25.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $800,000,000.

F9: Represents performance stock units, each representing a right to receive one share of common stock of the Issuer, granted to holders of Forge Nano stock options in connection with the Business Combination. The performance stock units will vest as follows, subject to the Reporting Person's continued service with the Issuer through each applicable vesting event: (i) one third of the performance stock units will vest if the VWAP of the Common Stock equals or exceeds $15.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $400,000,000, (ii) one third of the performance stock units will vest if the VWAP of the (Cont'd in FN10)

F10: (Cont'd from FN9) Common Stock equals or exceeds $20.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $600,000,000 and (iii) one third of the performance stock units will vest if the VWAP of the Common Stock equals or exceeds $25.00 per share over any 30 trading day period or the revenue of the Issuer for the preceding twelve months equals or exceeds $800,000,000.