RAIN

SEC source: 0001213900-26-092254 · ownership.xml · nonDerivative · entry 1

Seidl Randy · CIK 0001665774 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 754,834

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions.

F2 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F3 · balance_after: Mr. Seidl also received a restricted stock award for 602,320 shares of Class A Common Stock, of which 50% vested on January 1, 2026, and 50% shall vest on January 1, 2027, subject to continued employment or service through the vesting date.

SEC source: 0001213900-26-092444 · ownership.xml · nonDerivative · entry 1

Seidl Randy · CIK 0001665774 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 754,834

F1 · price: The price reported in Column 4 is a weighted average price.

F2 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

F3 · balance_after: Mr. Seidl also received a restricted stock award for 602,320 shares of Class A Common Stock, of which 50% vested on January 1, 2026, and 50% shall vest on January 1, 2027, subject to continued employment or service through the vesting date.

SEC source: 0001213900-26-067027 · ownership.xml · nonDerivative · entry 1

PEPERZAK MARCUS · CIK 0001078760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,000

F1 · price: The shares of Class A Common stock were granted for no cash consideration. The closing price of the stock on the day of the grant was $2.20.

SEC source: 0001213900-26-067034 · ownership.xml · nonDerivative · entry 1

Riley Christopher Michael · CIK 0002050519 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

F1 · price: The shares of Class A Common stock were granted for no cash consideration. The closing price of the stock on the day of the grant was $2.20.

SEC source: 0001213900-26-067031 · ownership.xml · nonDerivative · entry 1

Steele Alexandra · CIK 0002049634 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,000

F1 · price: The shares of Class A Common stock were granted for no cash consideration. The closing price of the stock on the day of the grant was $2.20.

SEC source: 0001213900-26-067033 · ownership.xml · nonDerivative · entry 1

Sylvester David C · CIK 0001378763 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,000

F1 · price: The shares of Class A Common stock were granted for no cash consideration. The closing price of the stock on the day of the grant was $2.20.

SEC source: 0001213900-26-067030 · ownership.xml · nonDerivative · entry 1

DICKERSON LYMAN B · CIK 0001280319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,247

F1 · price: The shares of Class A Common stock were granted for no cash consideration. The closing price of the stock on the day of the grant was $2.20.

SEC source: 0001213900-26-067029 · ownership.xml · nonDerivative · entry 1

Reardon Robert · CIK 0002065093 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,000

F1 · price: The shares of Class A Common stock were granted for no cash consideration. The closing price of the stock on the day of the grant was $2.20.

SEC source: 0001213900-26-067028 · ownership.xml · nonDerivative · entry 1

Truong Oanh · CIK 0001987059 · Interim CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

F1 · price: The shares of Class A Common stock were granted for no cash consideration. The closing price of the stock on the day of the grant was $2.20.

SEC source: 0001213900-26-066921 · ownership.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By RHY Management, LLC

Disclosed balance after: 1,612,903

F1 · price: RHY Management, LLC ("RHY") exchanged an aggregate of $4,000,000 of indebtedness owed by the Company to RHY into 1,612,903 shares of the Issuer's Class A common stock, par value $0.0001 per share.

F2 · ownership.nature: Mr. You is the sole member of RHY and may be deemed to have a pecuniary interest in the securities held by RHY. Mr. You disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0001213900-26-088570 · ownership.xml · nonDerivative · entry 3

Seidl Randy · CIK 0001665774 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 644,834

F6 · date: This filing corrects the dates in Table I, Item 2 from 2025 to 2026.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.46 to $2.64, inclusive.

F4 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F5 · balance_after: Mr. Seidl also received a restricted stock award for 602,320 shares of Class A Common Stock, of which 50% vested on January 1, 2026, and 50% shall vest on January 1,2027, subject to continued employment or service through the vesting date.

SEC source: 0001213900-26-088570 · ownership.xml · nonDerivative · entry 2

Seidl Randy · CIK 0001665774 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 640,834

F6 · date: This filing corrects the dates in Table I, Item 2 from 2025 to 2026.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.10 to $2.78, inclusive.

F4 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F5 · balance_after: Mr. Seidl also received a restricted stock award for 602,320 shares of Class A Common Stock, of which 50% vested on January 1, 2026, and 50% shall vest on January 1,2027, subject to continued employment or service through the vesting date.

SEC source: 0001213900-26-088570 · ownership.xml · nonDerivative · entry 1

Seidl Randy · CIK 0001665774 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 610,834

F6 · date: This filing corrects the dates in Table I, Item 2 from 2025 to 2026.

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.41 to $2.00, inclusive.

F4 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F5 · balance_after: Mr. Seidl also received a restricted stock award for 602,320 shares of Class A Common Stock, of which 50% vested on January 1, 2026, and 50% shall vest on January 1,2027, subject to continued employment or service through the vesting date.

SEC source: 0001213900-25-088709 · ownership.xml · nonDerivative · entry 4

DICKERSON LYMAN B · CIK 0001280319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,247

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.50 to $6.29, inclusive.

F4 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001213900-25-088709 · ownership.xml · nonDerivative · entry 3

DICKERSON LYMAN B · CIK 0001280319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,034

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.77 to $5.86, inclusive.

F4 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001213900-25-088709 · ownership.xml · nonDerivative · entry 2

DICKERSON LYMAN B · CIK 0001280319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,432

SEC source: 0001213900-25-088709 · ownership.xml · nonDerivative · entry 1

DICKERSON LYMAN B · CIK 0001280319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,647

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.15 to $5.39, inclusive.

F4 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001213900-25-086138 · ownership.xml · nonDerivative · entry 1

Seidl Randy · CIK 0001665774 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 602,320

SEC source: 0001213900-26-060692 · ownership.xml · nonDerivative · entry 3

Seidl Randy · CIK 0001665774 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 644,834

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.46 to $2.64, inclusive.

F4 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F5 · balance_after: Mr. Seidl also received a restricted stock award for 602,320 shares of Class A Common Stock, of which 50% vested on January 1, 2026, and 50% shall vest on January 1,2027, subject to continued employment or service through the vesting date.

SEC source: 0001213900-26-060692 · ownership.xml · nonDerivative · entry 2

Seidl Randy · CIK 0001665774 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 640,834

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.10 to $2.78, inclusive.

F4 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F5 · balance_after: Mr. Seidl also received a restricted stock award for 602,320 shares of Class A Common Stock, of which 50% vested on January 1, 2026, and 50% shall vest on January 1,2027, subject to continued employment or service through the vesting date.

SEC source: 0001213900-26-060692 · ownership.xml · nonDerivative · entry 1

Seidl Randy · CIK 0001665774 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 610,834

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.41 to $2.00, inclusive.

F4 · price: The reporting person undertakes to provide to Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F5 · balance_after: Mr. Seidl also received a restricted stock award for 602,320 shares of Class A Common Stock, of which 50% vested on January 1, 2026, and 50% shall vest on January 1,2027, subject to continued employment or service through the vesting date.

SEC source: 0001213900-25-011790 · ownership.xml · nonDerivative · entry 1

DACIER PAUL T · CIK 0001189870 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,173

F1 · kind: In connection with the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc. ("RET"), and Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), the Reporting Person subscribed to purchase an aggregate of 21,955 shares of the Issuer's Class A common stock, par value $0.0001 per share, at a price of approximately $11.39 per share in a private placement pursuant to a Subscription Agreement dated as of December 23, 2024, by and among the Reporting Person and the Issuer. As previously reported, an aggregate of 8,782 shares of Class A Common Stock was issued pursuant to such subscription on December 31, 2024. The remaining 13,173 shares of Class A Common Stock pursuant to such subscription were issued on February 6, 2025.

SEC source: 0001213900-25-009031 · ownership.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By trust

Disclosed balance after: 237,956

F1 · kind: In connection with the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc. ("RET"), and Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), Mr. You subscribed to purchase an aggregate of 43,910 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Common Stock") at a price of approximately $11.39 per share in a private placement pursuant to a Subscription Agreement dated as of December 23, 2024, by and among Mr. You and the Issuer. Such subscription closed on January 29, 2025.

F2 · ownership.nature: Represents shares held by RHY 2021 Irrevocable Trust (the "Trust"). Mr. You is the settlor and investment officer of the Trust, and his son is the beneficiary of the Trust. Accordingly, Mr. You may be deemed to have a pecuniary interest in the securities held by the Trust. Mr. You disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-24-132975 · tm2431814-7_4seq1.xml · nonDerivative · entry 1

DACIER PAUL T · CIK 0001189870 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rainwater LLC

Disclosed balance after: 1,848,104

F1 · kind: In connection with the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc. ("RET"), and Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), the Reporting Person acquired an aggregate of 8,782 shares of the Issuer's Class A common stock, par value $0.0001 per share, at a price of approximately $11.39 per share in a private placement pursuant to a Subscription Agreement dated as of December 23, 2024, by and among the Reporting Person and the Issuer.

F2 · ownership.nature: Paul T. Dacier is the sole member of Rainwater LLC and has voting and investment discretion with respect to the securities held of record by Rainwater LLC. Mr. Dacier disclaims beneficial ownership of the securities held by Rainwater LLC, except to the extent of his pecuniary interest therein.

SEC source: 0001104659-24-132973 · tm2431814-8_4seq1.xml · nonDerivative · entry 1

DICKERSON LYMAN B · CIK 0001280319 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,564

F1 · kind: In connection with the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc. ("RET"), and Rain Enhancement Technologies Holdco, Inc. ("Holdco"), the Reporting Person acquired an aggregate of 17,564 shares of Holdco Class A Common Stock at a price of $11.39 per share in a private placement pursuant to a Subscription Agreement dated as of December 23, 2024, by and among the Reporting Person and Holdco.

SEC source: 0001104659-25-000972 · tm2431814-6_4seq1.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Berto LLC

Disclosed balance after: 564,375

F1 · kind: In connection with the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc. ("RET"), and Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), Berto LLC ("Berto") agreed to exchange 2,257,500 Coliseum private placement warrants held by it for an aggregate of 564,375 shares of the Issuer's Class A common stock, par value $0.0001 per share.

F1 · price: In connection with the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc. ("RET"), and Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), Berto LLC ("Berto") agreed to exchange 2,257,500 Coliseum private placement warrants held by it for an aggregate of 564,375 shares of the Issuer's Class A common stock, par value $0.0001 per share.

F2 · ownership.nature: Mr. You is the sole member of Berto and has voting and investment discretion with respect to the securities held of record by Berto. Mr. You disclaims beneficial ownership of the securities held by Berto, except to the extent of his pecuniary interest therein.